CN108709852A - A kind of timber/bamboo wood slicing experimental rig and test method - Google Patents
A kind of timber/bamboo wood slicing experimental rig and test method Download PDFInfo
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- CN108709852A CN108709852A CN201810488334.6A CN201810488334A CN108709852A CN 108709852 A CN108709852 A CN 108709852A CN 201810488334 A CN201810488334 A CN 201810488334A CN 108709852 A CN108709852 A CN 108709852A
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- 235000017166 Bambusa arundinacea Nutrition 0.000 title claims abstract description 101
- 235000017491 Bambusa tulda Nutrition 0.000 title claims abstract description 101
- 241001330002 Bambuseae Species 0.000 title claims abstract description 101
- 235000015334 Phyllostachys viridis Nutrition 0.000 title claims abstract description 101
- 239000011425 bamboo Substances 0.000 title claims abstract description 101
- 239000002023 wood Substances 0.000 title claims abstract description 49
- 238000010998 test method Methods 0.000 title claims abstract description 8
- 238000005520 cutting process Methods 0.000 claims abstract description 78
- 238000005096 rolling process Methods 0.000 claims description 23
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 14
- 238000003825 pressing Methods 0.000 claims description 13
- 238000002474 experimental method Methods 0.000 claims description 9
- 230000000717 retained effect Effects 0.000 claims description 8
- 230000003028 elevating effect Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000007423 decrease Effects 0.000 claims description 5
- 241000446313 Lamella Species 0.000 claims description 4
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 3
- 239000010720 hydraulic oil Substances 0.000 abstract 1
- 239000003921 oil Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000835 fiber Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
Abstract
The present invention relates to a kind of timber/bamboo wood slicing experimental rig and test method, the adjusting of various factors involved in timber/bamboo wood slicing experimental study can be met.Flitch/bamboo side is driven by servo motor and is vertically moved up or down, knife rest back and forth movement horizontal movement is by hydraulic oil cylinder driving by top of the fixture clamping in knife rest.Flitch/bamboo side can be rotated by fixture, adjust the angle of flitch/between bamboo side's machine direction and the slicing direction of motion, and lateral slicing and longitudinal slicing may be implemented.Knife rest can be rotated around the vertical line at planing tool blade midpoint, adjust the angle between planing tool blade and the slicing direction of motion, right angle slicing and oblique angle slicing may be implemented.Slicing thickness can be adjusted by program, cutting speed can be adjusted by the speed governing valve in hydraulic system.Cutter by replacing different angle can examine or check influence of the cutting-tool angle to slicing performance.Pressure sensor is installed between knife rest and oil cylinder, synchro measure and the acquisition of cutting force may be implemented.
Description
Technical field
The present invention is a kind of timber/bamboo wood slicing experimental rig and test method, belongs to Wood Science and Technology field.
Background technology
The basic research that cutting test research is Wood Science and Technology professional domain is carried out to timber or bamboo wood, to timber
Or the mechanical manufacturing technology of bamboo wood has directive significance.
Currently, due to wildwood scarcity of resources, good large diameter timber is fewer and fewer, and wood processing field is mainly by opening
Hair meets wood using artificial forest small dimension wood and bamboo wood（Bamboo）The market demand of matter product.In wood（Bamboo）Matter article manufacturing process
In, the requirement of thin plate is larger.In general, small dimension wood or bamboo wood to be first fabricated to glued flitch/bamboo side of big cross section, then pass through again
The method of sawing or slicing is fabricated to thin plate.Since slicing does not have kerf loss, timber utilization rate is relatively high, obtains in production
More application, while also promoting the development of novel veneer slicer.Lateral slicing is divided into for the slicing of timber/bamboo glulam
With two kinds of longitudinal slicing.
According to the classical theory of wood cutting, timber Orthogonal cutting is divided into straight-cut, cross cutting and end to cutting
It cuts.Straight-cut refers to blade perpendicular to machine direction, and cutter is cut in fiber plane in parallel in what fibre length direction moved
It cuts.Cross cutting refers to that blade is parallel to machine direction, and cutter is in fiber plane perpendicular to the cutting of machine direction movement.End
Refer to blade perpendicular to machine direction, cutting of the cutter in the move in plane perpendicular to fiber to cutting.
In the production practices of Sliced veneer, to reduce actual cutting angle, web back crack is reduced, use is smaller
Cutting angle.But cutting angle is too small, can reduce the intensity of blade, influence cutting-tool's used life.Therefore, oblique angle is all used
Cutting, the i.e. direction of motion out of plumb of blade and cutter, at certain oblique angle.Meanwhile being to reduce impact, blade and glue when slicing
The length direction for closing flitch/bamboo side is not parallel, has a certain degree, blade is made gradually to cut timber.
But due to lacking the basic research of necessary timber or bamboo wood slicing, there is slicing technological parameters in production
It is difficult to grasp and control, slicer design is not reasonable and the problems such as improve.Due to the knot of the large-scale slicer of production at present
Structure parameter is fixed, can not be adjusted, thus to the means of timber/bamboo wood slicing experimental study deficiency, lacking one kind can
Adjust the various factors such as blade and flitch/bamboo side and angle, cutting movement speed, the thickness of cutting of the slicing direction of motion
And the timber or bamboo wood of synchro measure cutting force carry out the device of slicing experimental study.
Invention content
Proposed by the present invention is a kind of timber/bamboo wood slicing experimental rig and test method, and its object is in order to solve
The problem of means deficiency present in timber/bamboo wood slicing experimental study provides a kind of timber of small-size multifunction/bamboo wood plane
Experimental rig is cut, blade can be adjusted relative to the angle of the slicing direction of motion, flitch/bamboo side's machine direction relative to slicing campaign
Angle, thickness of cutting, cutting speed, planing tool between the angle in direction, the machine direction of flitch/bamboo side and blade mark angle
The squeezing rate of degree, nose bar may be implemented lateral slicing, longitudinal slicing, and energy synchro measure cutting force, meet timber/bamboo wood
The needs that many factors are tested in slicing experimental study.
Technical solution of the invention：A kind of timber/bamboo wood slicing experimental rig, it is characterized in that including pedestal（1）, water
Flat rolling guide（2）, column（3）, vertical scrolling guide rail（4）, crossbeam（5）, crossbeam rolling slide block（6）, servo motor mounting bracket
（7）, servo motor（8）, shaft coupling（9）, ball-screw component（10）, flitch/bamboo side's fixture（11）, planing tool component（12）, pressure
Ruler component（13）, knife rest（15）, tool rest bracket sliding block（14）, tool rest bracket（16）, pressure sensor holder（17）, oil cylinder piston
Bar ear mount（18）, oil cylinder（19）, oil cylinder back cylinder cover bearing（20）, cylinder installation seat（21）, pressure sensor fixing bolt（22）,
Pressure sensor（23）, pressing plate（24）, acorn nut（25）, bolt axle（26）, knife rest fixing bolt component（27）；Its central post
（3）, horizontal rolling guide rail（2）, cylinder installation seat（21）It is fixedly mounted on pedestal（1）On, vertical scrolling guide rail（4）It is fixedly mounted
In column（3）On；Servo motor（8）Pass through servo motor mounting bracket（7）It is fixed on the upper end of column, ball-screw component（10）
Both ends by bearing be mounted on column（3）On, ball-screw component（10）Nut seat be mounted on crossbeam（5）On, flitch/bamboo
Square fixture（11）Mounted on crossbeam（5）Lower section；Oil cylinder（19）Rear end pass through oil cylinder back cylinder cover bearing（20）Mounted on oil cylinder
Mounting base（21）On, oil cylinder（19）Front end pass through cylinder piston rod ear mount（18）With pressure sensor holder（17）, bolt axle
（26）With tool rest bracket（16）It is connected；Crossbeam（5）Pass through crossbeam rolling slide block（6）It is supported on vertical guide rail（4）On, by servo electricity
Machine（8）Pass through ball-screw component（10）It drives and makees elevating movement along vertical scrolling guide rail 4；Planing tool component（13）With nose bar component
（14）Mounting tool post（15）On, it is mutually perpendicular to before the rake face and nose bar of planing tool, before the blade of planing tool is in nose bar always
On the extended surface in face, the position of blade is fixed, and the distance between nose bar and planing tool rake face are adjustable；Knife rest（15）Installation
In tool rest bracket（16）On, tool rest bracket（16）Pass through tool rest bracket sliding block（14）It is supported on horizontal guide rail（2）On, tool rest bracket
（16）By oil cylinder（19）Pass through cylinder piston rod ear mount（18）, pressure sensor holder（17）, pressure sensor（23）, pressing plate
（24）, acorn nut（25）Push Forward；Work as oil cylinder（19）Piston rod retract when, pass through cylinder piston rod ear mount（18）, pressure
Force snesor holder（17）, bolt axle（26）, by tool rest bracket（16）It retracts；Knife rest（15）In oil cylinder（19）Driving under along water
Flat Roller Slideway Assemblies（2）Make horizontal back and forth movement, flitch/bamboo side is by fixture（11）Clamping is in knife rest（15）Top.
Its test method is the requirement tested according to timber or bamboo wood slicing, determines the influence factor of slicing experiment, such as：
Planing tool blade is relative to the angle relative to the slicing direction of motion of angle, flitch/bamboo side's machine direction of the slicing direction of motion, wood
The squeezing of angle, thickness of cutting, cutting speed, planing tool angular dimension, nose bar between the machine direction and blade of side/bamboo side
Then rate adjusts slicing experimental rig, specifically includes following steps again：
1) according to the requirement of slicing angle, the planing tool that selection meets mark relief angle and the angle of wedge requires, and planing tool is installed to knife rest
On；The position for adjusting nose bar, make nose bar to the distance of planing tool rake face be the 80%~90% of Sliced veneer thickness, that is, nose bar
Squeezing rate；
2) acquisition system for connecting the output charge signal of pressure sensor has detected the null offset amount of pressure sensor,
The acquisition for carrying out cutting force prepares；
3) flitch/bamboo side's fixture (11) is rotated, flitch/angle of bamboo side's machine direction relative to cutting movement direction is adjusted；
4) swivelling tool-holder pedestal (16) adjust angle of the planing tool blade relative to cutting movement direction；
5) servo motor (7) on the slicing flitch Jing Guo hydro-thermal process/bamboo side's clamping to fixture (11), will then be started by slicing
Flitch rapidly drops to the position of 2mm~5mm above planing tool blade；
6) program of establishment servo motor movement, sets the distance that crossbeam declines every time, the i.e. thickness of Sliced veneer；
7) speed governing in hydraulic system is adjusted, the speed of piston rod movement, i.e. cutting movement speed are adjusted；
8) start oil cylinder（19）Drive tool rest bracket（16）Make back and forth movement, knife rest（15）Round trip, according to the set procedure,
Servo motor（7）Drive crossbeam（5）Decline a lamella thickness, move in circles, until completing the quantity of Sliced veneer, crossbeam
（5）Rise to extreme higher position；While starting oil cylinder, starts cutting force acquisition system, cut during record slicing experiment
Power；Slicing terminates, and acquisition system stops acquisition.
Beneficial effects of the present invention：
1）Can be conveniently adjusted planing tool blade relative to the angle of the slicing direction of motion, flitch/bamboo side's machine direction relative to
Angle, thickness of cutting, cutting speed, planing tool between the angle of the slicing direction of motion, the machine direction of flitch/bamboo side and blade
The squeezing rate of angular dimension, nose bar may be implemented lateral slicing, longitudinal slicing, and energy synchro measure cutting force, disclosure satisfy that
The needs that many factors are tested in timber/bamboo wood slicing experimental study.
Description of the drawings
Fig. 1 is timber/bamboo wood slicing experimental rig front view.
Fig. 2 is timber/bamboo wood slicing experimental rig vertical view.
Fig. 3 is timber/bamboo wood slicing experimental rig side view.
Fig. 4 is that timber/bamboo wood slicing experimental rig knife rest rotation adjusts schematic diagram.
Fig. 5 is that timber/bamboo wood slicing experimental rig flitch/bamboo side's rotation adjusts schematic diagram.
Fig. 6 is tool rest bracket figure.
Fig. 7 is the angular dimension figure of planing tool.
Fig. 8 is planing tool angular dimension figure after rake face grinds and increases the angle of wedge.
Fig. 9 is the installation diagram of pressure sensor.
In figure, 1 it is pedestal, 2 is horizontal rolling guide rail, 3 is column, 4 is vertical scrolling guide rail, 5 is crossbeam, 6 is crossbeam
Rolling slide block, 7 be servo motor mounting bracket, 8 be servo motor, 9 be shaft coupling, 10 be ball-screw component, 11 be flitch/bamboo
Square fixture, 12 be planing tool component, 13 be nose bar component, 14 be tool rest bracket sliding block, 15 be knife rest, 16 be tool rest bracket, 17 be
Pressure sensor holder, 18 be oily piston bar ear mount, 19 be oil cylinder, 20 be oil cylinder back cylinder cover bearing, 21 be cylinder installation seat, 22
It is pressure sensor fixing bolt, 23 be pressure sensor, 24 be pressing plate, 25 be acorn nut, 26 be bolt axle, 27 is knife rest
Fixing bolt component, α are that planing tool marks relief angle, β is that planing tool marks the angle of wedge, γ is that planing tool marks anterior angle, δ is planing tool mark cutting
Angle, θ are planing tool blades relative to the folder that the angle of the slicing direction of motion, φ are between the machine direction of flitch/bamboo side and blade
Angle, ε are flitch/angle of bamboo side's machine direction relative to the slicing direction of motion.
Specific implementation mode
A kind of timber/bamboo wood slicing experimental rig, including pedestal（1）, horizontal rolling guide rail（2）, column（3）, vertical rolling
Dynamic guide rail（4）, crossbeam（5）, crossbeam rolling slide block（6）, servo motor mounting bracket（7）, servo motor（8）, shaft coupling（9）, rolling
Ballscrew component（10）, flitch/bamboo side's fixture（11）, planing tool component（12）, nose bar component（13）, knife rest（15）, tool rest bracket
Sliding block（14）, tool rest bracket（16）, pressure sensor holder（17）, cylinder piston rod ear mount（18）, oil cylinder（19）, cylinder after oil cylinder
Lid bearing（20）, cylinder installation seat（21）, pressure sensor fixing bolt（22）, pressure sensor（23）, pressing plate（24）, lid shape
Nut（25）, bolt axle（26）, knife rest fixing bolt component（27）；Its central post（3）, horizontal rolling guide rail（2）, oil cylinder installation
Seat（21）It is fixedly mounted on pedestal（1）On, vertical scrolling guide rail（4）It is fixedly mounted on column（3）On；Servo motor（8）Pass through
Servo motor mounting bracket（7）It is fixed on the upper end of column, ball-screw component（10）Both ends by bearing be mounted on column（3）
On, ball-screw component（10）Nut seat be mounted on crossbeam（5）On, flitch/bamboo side's fixture（11）Mounted on crossbeam（5）Under
Side；Oil cylinder（19）Rear end pass through oil cylinder back cylinder cover bearing（20）Mounted on cylinder installation seat（21）On, oil cylinder（19）Front end
Pass through cylinder piston rod ear mount（18）With pressure sensor holder（17）, bolt axle（26）With tool rest bracket（16）It is connected；Crossbeam
（5）Pass through crossbeam rolling slide block（6）It is supported on vertical guide rail（4）On, by servo motor（8）Pass through ball-screw component（10）Band
It is dynamic to make elevating movement along vertical scrolling guide rail 4；Planing tool component（13）With nose bar component（14）Mounting tool post（15）On, before planing tool
It is mutually perpendicular to before knife face and nose bar, the blade of planing tool is in always on the extended surface before nose bar, and the position of blade is solid
Fixed, the distance between nose bar and planing tool rake face are adjustable；Knife rest（15）Mounted on tool rest bracket（16）On, tool rest bracket
（16）Pass through tool rest bracket sliding block（14）It is supported on horizontal guide rail（2）On, tool rest bracket（16）By oil cylinder（19）It is lived by oil cylinder
Stopper rod ear mount（18）, pressure sensor holder（17）, pressure sensor（23）, pressing plate（24）, acorn nut（25）Push Forward；
Work as oil cylinder（19）Piston rod retract when, pass through cylinder piston rod ear mount（18）, pressure sensor holder（17）, bolt axle
（26）, by tool rest bracket（16）It retracts；Knife rest（15）In oil cylinder（19）Driving under along horizontal rolling guide assembly（2）Make horizontal
Back and forth movement, flitch/bamboo side is by fixture（11）Clamping is in knife rest（15）Top.
The flitch/bamboo side's fixture（11）It is made of circular base plate and retained part, the circular base plate and crossbeam（5）Gu
It is fixed, flitch/bamboo side's fixture（11）Retained part it is rotatable relative to circular base plate, to adjust the machine direction of flitch/bamboo side
With the angle between cutting movement direction（ε）, retained part fixed by bolt and circular base plate.
The tool rest bracket（16）There are an axis pin, knife in the position that surface is intersected with the vertical line by planing tool blade midpoint
Frame（15）It can be rotated around this axis pin, i.e. knife rest（15）It can be rotated around by the vertical line at planing tool blade midpoint, rotate rear knife edge
Offset is few；The rotation angle θ for adjusting knife rest, also just has adjusted angle, θ of the planing tool blade relative to cutting movement direction, and θ=
90 ° are right angle slicing, θ <It is oblique angle slicing at 90 °；Tool rest bracket（16）On be provided with arc groove, knife rest rotation angle is adjusted
Afterwards, using knife rest fixing bolt component（27）By knife rest（15）With tool rest bracket（16）It is fixed；The initial mark relief angle of planing tool, wedge
Angle, cutting angle are fixed, realize the change of mark relief angle and cutting angle by the flank and rake face of grinding planing tool respectively.
The pressure sensor（23）Pass through pressing plate（24）, pressure sensor fixing bolt（22）, acorn nut（25）Gu
It is scheduled on pressure sensor holder（17）On, acorn nut（25）Ball-shaped end and tool rest bracket（16）It is corresponding, 4 bolt axles
（26）With pressure sensor holder（17）On hole be gap-matched, pressure sensor holder（17）Relative to bolt axle（26）
There is the movement of 0.5mm spacing；Work as oil cylinder（19）Piston rod retract when, pressure sensor holder（17）It is close to bolt axle（26）'s
Turret head, acorn nut（25）Ball-shaped end and tool rest bracket（16）Separation, tool rest bracket（16）It is pulled；Work as oil cylinder（19）
Piston rod stretch out when, pressure sensor holder（17）With bolt axle（26）Turret head separation, acorn nut（25）Spherical shape
End is pressed closer in tool rest bracket（16）On, tool rest bracket 16 is pushed forward, and slicing is carried out, and pressure sensor is realized cutting by pressure
The measurement of power.
The oil cylinder（19）The speed that extends and retracts of piston rod can be adjusted by the speed governing valve on hydraulic circuit,
To adjust cutting speed；During slicing, the elevating movement of flitch/bamboo side and the back and forth movement of knife rest manually control, or
It is carried out automatically by program, realizes synchro measure cutting force.
Its test method, it is characterized in that according to the requirement that timber or bamboo wood slicing are tested, determine the influence of slicing experiment because
Element, such as：Planing tool blade is relative to the angle of the slicing direction of motion, flitch/bamboo side's machine direction relative to the slicing direction of motion
Angle, thickness of cutting, cutting speed, planing tool angular dimension, nose bar between angle, the machine direction of flitch/bamboo side and blade
Squeezing rate, then adjust slicing experimental rig again, specifically include following steps：
1) according to the requirement of slicing angle, the planing tool that selection meets mark relief angle and the angle of wedge requires, and planing tool is installed to knife rest
On；The position for adjusting nose bar, make nose bar to the distance of planing tool rake face be the 80%~90% of Sliced veneer thickness, that is, nose bar
Squeezing rate；
2) acquisition system for connecting the output charge signal of pressure sensor has detected the null offset amount of pressure sensor,
The acquisition for carrying out cutting force prepares；
3) flitch/bamboo side's fixture (11) is rotated, flitch/angle of bamboo side's machine direction relative to cutting movement direction is adjusted；
4) swivelling tool-holder pedestal (16) adjust angle of the planing tool blade relative to cutting movement direction；
5) servo motor (7) on the slicing flitch Jing Guo hydro-thermal process/bamboo side's clamping to fixture (11), will then be started by slicing
Flitch rapidly drops to the position of 2mm~5mm above planing tool blade；
6) program of establishment servo motor movement, sets the distance that crossbeam declines every time, the i.e. thickness of Sliced veneer；
7) speed governing in hydraulic system is adjusted, the speed of piston rod movement, i.e. cutting movement speed are adjusted；
8) start oil cylinder（19）Drive tool rest bracket（16）Make back and forth movement, knife rest（15）Round trip, according to the set procedure,
Servo motor（7）Drive crossbeam（5）Decline a lamella thickness, move in circles, until completing the quantity of Sliced veneer, crossbeam
（5）Rise to extreme higher position；While starting oil cylinder, starts cutting force acquisition system, cut during record slicing experiment
Power；Slicing terminates, and acquisition system stops acquisition.
Technical solution of the present invention is further illustrated below in conjunction with the accompanying drawings
The present invention timber/bamboo wood slicing experimental rig it is as shown in Figures 1 to 9, by pedestal 1, horizontal rolling guide rail 2, column 3,
Vertical scrolling guide rail 4, crossbeam 5, crossbeam rolling slide block 6, servo motor mounting bracket 7, servo motor 8, shaft coupling 9, ball-screw
Component 10, flitch/bamboo side's fixture 11, planing tool component 12, nose bar component 13, knife rest 15, tool rest bracket sliding block 14, tool rest bracket
16, pressure sensor holder 17, cylinder piston rod ear mount 18, oil cylinder 19, oil cylinder back cylinder cover bearing 20, cylinder installation seat 21, pressure
Force snesor fixing bolt 22, pressure sensor 23, pressing plate 24, acorn nut 25, bolt axle 26, knife rest fixing bolt component 27
Composition.
Column 3, horizontal rolling guide rail 2, cylinder installation seat 21 are fixedly mounted on pedestal 1, and vertical scrolling guide rail 4 fixes peace
On column 3.
Servo motor 8 is fixed on the upper end of column by servo motor mounting bracket 7, and the both ends of ball-screw component 10 pass through
Bearing is mounted on column 3, and the nut seat of ball-screw component 10 is mounted on crossbeam 5, and flitch/bamboo side's fixture 11 is mounted on cross
The lower section of beam 5.
The rear end of oil cylinder 19 is mounted on by oil cylinder back cylinder cover bearing 20 on cylinder installation seat 21, and the front end of oil cylinder 19 passes through
Cylinder piston rod ear mount 18 is connected with pressure sensor holder 17, bolt axle 26 with tool rest bracket 16.
Crossbeam 5 is supported on by crossbeam rolling slide block 6 on vertical guide rail 4, passes through ball-screw component 10 by servo motor 8
It drives and makees elevating movement along vertical scrolling guide rail 4, slicing thickness can accurately be adjusted by servo motor.
On 14 mounting tool post 15 of planing tool component 13 and nose bar component, it is mutually perpendicular to before the rake face and nose bar of planing tool,
The blade of planing tool is in always on the extended surface before nose bar, and the position of blade is fixed, between nose bar and planing tool rake face
Distance it is adjustable, to realize the adjusting of squeezing rate.
Knife rest 15 is mounted on tool rest bracket 16, and tool rest bracket 16 is supported on horizontal guide rail 2 by tool rest bracket sliding block 14
On, tool rest bracket 16 passes through cylinder piston rod ear mount 18, pressure sensor holder 17, pressure sensor 23, pressing plate by oil cylinder 19
24, acorn nut 25 pushes Forward, realizes slicing；When the piston rod of oil cylinder 19 is retracted, pass through cylinder piston rod ear mount 18, pressure
Force snesor holder 17, bolt axle 26, tool rest bracket 16 is retracted.
Knife rest 15 makees horizontal back and forth movement under the driving of oil cylinder 19 along horizontal rolling guide assembly 2, and flitch/bamboo side is by pressing from both sides
11 top of the clamping in knife rest 15 of tool, 15 back and forth movement of knife rest is primary, and flitch/bamboo side declines certain distance, completes one thin
The slicing of plate, gauge of sheet are equal to flitch/bamboo side and decline the distance once declined.
Flitch/bamboo side's fixture 11 is made of circular base plate and retained part, and circular base plate is fixed with crossbeam 5, flitch/bamboo side
The retained part of fixture 11 is rotatable relative to circular base plate, to adjust machine direction and the cutting movement direction of flitch/bamboo side
Between angle ε, angle ε can adjust within the scope of 0-90 °, realize lateral slicing and longitudinal slicing；Retained part passes through bolt
It is fixed with circular base plate.
There is an axis pin in the position intersected with the vertical line by planing tool blade midpoint on tool rest bracket 16, and knife rest 15 can be around
This axis pin rotates, i.e., knife rest 15 can be rotated around by the vertical line at planing tool blade midpoint, and the offset for rotating rear knife edge is few；It adjusts
The rotation angle for adjusting knife rest, also just has adjusted angle, θ of the planing tool blade relative to cutting movement direction, angle, θ can be at 0-90 °
It is adjusted in range, to realize that right angle slicing and oblique angle slicing, θ=90 ° are right angle slicing, θ <It is oblique angle slicing at 90 °；Knife rest bottom
It is provided with arc groove on seat 16, after knife rest rotation angle is adjusted, using knife rest fixing bolt component 27 by knife rest 15 and knife rest bottom
Seat 16 is fixed；Inclined cutting can be under the premise of not reducing the planing tool standard angle of wedge and cutting angle, that is, not reduce blade strong
Under conditions of degree, it is effectively reduced actual cutting angle, to reduce the crack degree of web back；
Initial mark relief angle α=1 °, angle of wedge β=18 °, cutting angle δ=19 ° of planing tool need to change relief angle α, cutting during experiment
Angle δ can realize the change of mark relief angle α and cutting angle δ by the flank and rake face of grinding planing tool respectively.
Pressure sensor 23 is fixed on pressure sensing by pressing plate 24, pressure sensor fixing bolt 22, acorn nut 25
On device holder 17, the ball-shaped end of acorn nut 25 is opposite with tool rest bracket 16,4 bolt axles 26 and pressure sensor holder 17
On hole be gap-matched, pressure sensor holder 17 has the movement of 0.5mm slight distances relative to bolt axle 26；Work as oil cylinder
When 19 piston rod is retracted, pressure sensor holder 17 is close to the turret head of bolt axle 26, the ball-shaped end of acorn nut 25 with
Tool rest bracket 16 detaches, and tool rest bracket 16 is pulled；When the piston rod of oil cylinder 19 stretches out, pressure sensor holder 17 and bolt
The turret head of axis 26 detaches, and the ball-shaped end of acorn nut 25 presses closer on tool rest bracket 16, and tool rest bracket 16 is pushed forward, and carries out
Slicing, pressure sensor are realized the measurement of cutting force by pressure.
The piston rod of oil cylinder 19 extends and retracts speed and can be adjusted by the speed governing valve on hydraulic circuit, to adjust
Cutting speed.
During slicing, the elevating movement of flitch/bamboo side and the back and forth movement of knife rest can manually control, and can also lead to
The automatic progress that programs is crossed, realizes synchro measure cutting force.
The structure and operation principle of timber/bamboo wood slicing experimental rig of the present invention are as shown in Figures 1 to 9, worked
Journey is as follows：
The requirement tested according to timber or bamboo wood slicing, it is first determined need to consider which influence factor, such as：Planing tool blade is opposite
In the angle of the slicing direction of motion, flitch/bamboo side's machine direction relative to the angle of the slicing direction of motion, the fibre of flitch/bamboo side
The squeezing rate etc. of angle, thickness of cutting, cutting speed, planing tool angular dimension, nose bar between dimension direction and blade.Then it adjusts again
Whole slicing experimental rig, set-up procedure are as follows：
According to the requirement of slicing angle, the planing tool that selection meets mark relief angle and the angle of wedge requires, and planing tool is installed on knife rest.
Adjust nose bar position, make nose bar to planing tool rake face distance be Sliced veneer thickness 80%~90%, also
It is the squeezing rate of nose bar.
The acquisition system for connecting the output charge signal of pressure sensor, has detected the null offset of pressure sensor
Amount, the acquisition for carrying out cutting force prepare.
Flitch/bamboo side's fixture 11 is rotated, angle ε of the flitch/bamboo side's machine direction relative to cutting movement direction is adjusted.
Swivelling tool-holder pedestal 16 adjusts angle, θ of the planing tool blade relative to cutting movement direction.
By the slicing flitch Jing Guo hydro-thermal process/bamboo side's clamping on fixture 11, then start servo motor 7 by slicing wood
Side rapidly drops to the position of 2mm~5mm above planing tool blade.
The program for working out servo motor movement, sets the distance that crossbeam declines every time, the i.e. thickness of Sliced veneer.
Speed governing in hydraulic system is adjusted, the speed of piston rod movement, i.e. cutting movement speed are adjusted.
Starting oil cylinder 19 drives tool rest bracket 16 to make back and forth movement, 15 round trip of knife rest, according to the set procedure, servo
Motor 7 drives crossbeam 5 to decline a lamella thickness, moves in circles, until completing the quantity of Sliced veneer, crossbeam 5 rises to most
High position；While starting oil cylinder, start cutting force acquisition system, cutting force during record slicing experiment；Slicing terminates,
Acquisition system stops acquisition.
Timber/bamboo wood slicing experimental rig of the present invention, it is each required by capable of meeting in timber/bamboo wood slicing experimental study
The adjustment of kind different affecting factors and its numerical value.
Claims (6)
1. a kind of timber/bamboo wood slicing experimental rig, it is characterized in that including pedestal（1）, horizontal rolling guide rail（2）, column（3）,
Vertical scrolling guide rail（4）, crossbeam（5）, crossbeam rolling slide block（6）, servo motor mounting bracket（7）, servo motor（8）, shaft coupling
（9）, ball-screw component（10）, flitch/bamboo side's fixture（11）, planing tool component（12）, nose bar component（13）, knife rest（15）, knife
Frame pedestal sliding block（14）, tool rest bracket（16）, pressure sensor holder（17）, cylinder piston rod ear mount（18）, oil cylinder（19）, oil
Cylinder back cylinder cover bearing（20）, cylinder installation seat（21）, pressure sensor fixing bolt（22）, pressure sensor（23）, pressing plate
（24）, acorn nut（25）, bolt axle（26）, knife rest fixing bolt component（27）；Its central post（3）, horizontal rolling guide rail
（2）, cylinder installation seat（21）It is fixedly mounted on pedestal（1）On, vertical scrolling guide rail（4）It is fixedly mounted on column（3）On；Servo
Motor（8）Pass through servo motor mounting bracket（7）It is fixed on the upper end of column, ball-screw component（10）Both ends pacified by bearing
Mounted in column（3）On, ball-screw component（10）Nut seat be mounted on crossbeam（5）On, flitch/bamboo side's fixture（11）It is mounted on
Crossbeam（5）Lower section；Oil cylinder（19）Rear end pass through oil cylinder back cylinder cover bearing（20）Mounted on cylinder installation seat（21）On, oil cylinder
（19）Front end pass through cylinder piston rod ear mount（18）With pressure sensor holder（17）, bolt axle（26）With tool rest bracket（16）
It is connected；Crossbeam（5）Pass through crossbeam rolling slide block（6）It is supported on vertical guide rail（4）On, by servo motor（8）Pass through ball-screw
Component（10）It drives and makees elevating movement along vertical scrolling guide rail 4；Planing tool component（13）With nose bar component（14）Mounting tool post（15）
On, it is mutually perpendicular to before the rake face and nose bar of planing tool, the blade of planing tool is in always on the extended surface before nose bar, blade
Position be fixed, the distance between nose bar and planing tool rake face are adjustable；Knife rest（15）Mounted on tool rest bracket（16）On,
Tool rest bracket（16）Pass through tool rest bracket sliding block（14）It is supported on horizontal guide rail（2）On, tool rest bracket（16）By oil cylinder（19）It is logical
Cross cylinder piston rod ear mount（18）, pressure sensor holder（17）, pressure sensor（23）, pressing plate（24）, acorn nut（25）
Push Forward；Work as oil cylinder（19）Piston rod retract when, pass through cylinder piston rod ear mount（18）, pressure sensor holder（17）,
Bolt axle（26）, by tool rest bracket（16）It retracts；Knife rest（15）In oil cylinder（19）Driving under along horizontal rolling guide assembly（2）
Make horizontal back and forth movement, flitch/bamboo side is by fixture（11）Clamping is in knife rest（15）Top.
2. timber according to claim 1/bamboo wood slicing experimental rig, which is characterized in that flitch/bamboo side's fixture（11）By
Circular base plate and retained part composition, the circular base plate and crossbeam（5）It is fixed, flitch/bamboo side's fixture（11）Retained part
It is rotatable relative to circular base plate, to adjust the angle between the machine direction of flitch/bamboo side and cutting movement direction（ε）, folder
Part is held to fix by bolt and circular base plate.
3. timber according to claim 1/bamboo wood slicing experimental rig, which is characterized in that tool rest bracket（16）Surface with
There are an axis pin, knife rest in the position intersected by the vertical line at planing tool blade midpoint（15）It can be rotated around this axis pin, i.e. knife rest
（15）It can be rotated around by the vertical line at planing tool blade midpoint, the offset for rotating rear knife edge is few；Adjust the rotation angle of knife rest
θ, also just has adjusted angle, θ of the planing tool blade relative to cutting movement direction, and θ=90 ° are right angle slicing, θ <It is dug for oblique angle at 90 °
It cuts；Tool rest bracket（16）On be provided with arc groove, after knife rest rotation angle is adjusted, using knife rest fixing bolt component（27）By knife
Frame（15）With tool rest bracket（16）It is fixed；The initial mark relief angle of planing tool, the angle of wedge, cutting angle are fixed, pass through grinding respectively
The flank and rake face of planing tool realize the change of mark relief angle and cutting angle.
4. timber according to claim 1/bamboo wood slicing experimental rig, which is characterized in that pressure sensor（23）Pass through
Pressing plate（24）, pressure sensor fixing bolt（22）, acorn nut（25）It is fixed on pressure sensor holder（17）On, lid shape spiral shell
It is female（25）Ball-shaped end and tool rest bracket（16）It is corresponding, 4 bolt axles（26）With pressure sensor holder（17）On hole
It is gap-matched, pressure sensor holder（17）Relative to bolt axle（26）There is the movement of 0.5mm spacing；Work as oil cylinder（19）'s
When piston rod is retracted, pressure sensor holder（17）It is close to bolt axle（26）Turret head, acorn nut（25）Ball-shaped end
With tool rest bracket（16）Separation, tool rest bracket（16）It is pulled；Work as oil cylinder（19）Piston rod stretch out when, pressure sensor holder
（17）With bolt axle（26）Turret head separation, acorn nut（25）Ball-shaped end press closer in tool rest bracket（16）On, knife rest
Pedestal 16 is pushed forward, and slicing is carried out, and pressure sensor is realized the measurement of cutting force by pressure.
5. timber according to claim 1/bamboo wood slicing experimental rig, it is characterised in that：Oil cylinder（19）Piston rod stretch
The speed for going out and retracting can be adjusted by the speed governing valve on hydraulic circuit, to adjust cutting speed；During slicing, wood
The elevating movement of side/bamboo side and the back and forth movement of knife rest manually control, or are carried out automatically by program, realize that synchro measure is cut
Cut power.
6. carrying out the test method of Sliced veneer, feature using timber as described in claim 1/bamboo wood slicing experimental rig
It is the requirement tested according to timber or bamboo wood slicing, determines the influence factor of slicing experiment, such as：Planing tool blade is transported relative to slicing
The angle in dynamic direction, flitch/bamboo side's machine direction relative to the angle of the slicing direction of motion, the machine direction of flitch/bamboo side with
Then the squeezing rate of angle, thickness of cutting, cutting speed, planing tool angular dimension, nose bar between blade adjusts slicing experiment again
Device specifically includes following steps：
1) according to the requirement of slicing angle, the planing tool that selection meets mark relief angle and the angle of wedge requires, and planing tool is installed to knife rest
On；The position for adjusting nose bar, make nose bar to the distance of planing tool rake face be the 80%~90% of Sliced veneer thickness, that is, nose bar
Squeezing rate；
2) acquisition system for connecting the output charge signal of pressure sensor has detected the null offset amount of pressure sensor,
The acquisition for carrying out cutting force prepares；
3) flitch/bamboo side's fixture (11) is rotated, flitch/angle of bamboo side's machine direction relative to cutting movement direction is adjusted；
4) swivelling tool-holder pedestal (16) adjust angle of the planing tool blade relative to cutting movement direction；
5) servo motor (7) on the slicing flitch Jing Guo hydro-thermal process/bamboo side's clamping to fixture (11), will then be started by slicing
Flitch rapidly drops to the position of 2mm~5mm above planing tool blade；
6) program of establishment servo motor movement, sets the distance that crossbeam declines every time, the i.e. thickness of Sliced veneer；
7) speed governing in hydraulic system is adjusted, the speed of piston rod movement, i.e. cutting movement speed are adjusted；
8) start oil cylinder（19）Drive tool rest bracket（16）Make back and forth movement, knife rest（15）Round trip, according to the set procedure,
Servo motor（7）Drive crossbeam（5）Decline a lamella thickness, move in circles, until completing the quantity of Sliced veneer, crossbeam
（5）Rise to extreme higher position；While starting oil cylinder, starts cutting force acquisition system, cut during record slicing experiment
Power；Slicing terminates, and acquisition system stops acquisition.
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| CN112730135A (en) * | 2021-01-06 | 2021-04-30 | 清华大学深圳国际研究生院 | Device for right-angle free cutting experiment of material |
| CN114431015A (en) * | 2022-03-08 | 2022-05-06 | 聊城大学 | Mechanical seedling grafting parameter automatic measuring device |
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| CN108709852B (en) | 2020-06-12 |
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